GEOTRACES

An International Study of the Marine Biogeochemical Cycles of Trace Elements and Their Isotopes

News

Register Now! Launch of GEOTRACES Intermediate Data Product 2025!

Register for the IDP2025 launch webinars by 17 November!

GEOTRACES session at EGU 2026

Submit an abstract before 15 January 2026, 13:00 CET.

Call for Expressions of Interest: Antarctica InSync Trace Metals & Microbes Working Group

A virtual planning meeting will be held on Wednesday, 22 October, 13:00–14:00 BST (UTC+1)

2024-2025 GEOTRACES National Reports

The 2024-2025 individual reports from all countries participating in GEOTRACES are now available on the GEOTRACES webpage.

Goldschmidt 2026 – Call for GEOTRACES session proposals

Submit a session proposal before 15 October 2025.

A year of the GEOTRACES Early Career Scientist Committee

Learn about the ECS Committee’s contributions in its first year!

Science Highlights

To Ba or not to Ba: Evaluating water column excess particulate barium as a proxy for water column respiration

Rahman and co-workers examine the relationship between excess particulate barium and organic matter respiration in the water column…

Major controls on the fate of dissolved manganese in the northeastern Indian Ocean

Malla and Singh investigated the key factors controlling dissolved manganese in the northeastern Indian Ocean.

An original approach to assess the particulate trace metal concentrations in seawater

Sohrin and co-workers propose defining particulate trace metal as the difference between total dissolvable and dissolved metals after a long storage of filtered and unfiltered acidified seawater.

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